Despite not flowing through Virginia, Thomas Jefferson described this river as the most beautiful in the United States in his Notes on the State of Virginia. Cities on this river, which served as the southern boundary of the Northwest Territory, include Paducah, Evansville, Louisville and Wheeling. Flowing 981 miles from western Pennsylvania to its mouth in Cairo, Illinois, for 10 points, identify this river that forms the northern border of Kentucky and West Virginia and the southern border of 
Despite not flowing through Virginia, Thomas Jefferson described this river as the most beautiful in the United States in his Notes on the State of Virginia. Cities on this river, which served as the southern boundary of the Northwest Territory, include Paducah, Evansville, Louisville and Wheeling. Flowing 981 miles from western Pennsylvania to its mouth in Cairo, Illinois, for 10 points, identify this river that forms the northern border of Kentucky and West Virginia and the southern border of its namesake state.
Despite not flowing through Virginia, Thomas Jefferson described this river as the most beautiful in the United States in his Notes on the State of Virginia.
{Ohio} River